diff --git a/homeassistant/helpers/service_info/dhcp.py b/homeassistant/helpers/service_info/dhcp.py index 47479a53a8a..d46c7a59004 100644 --- a/homeassistant/helpers/service_info/dhcp.py +++ b/homeassistant/helpers/service_info/dhcp.py @@ -12,3 +12,9 @@ class DhcpServiceInfo(BaseServiceInfo): ip: str hostname: str macaddress: str + """The MAC address of the device. + + Please note that for historical reason the DHCP service will always format it + as a lowercase string without colons. + eg. "AA:BB:CC:12:34:56" is stored as "aabbcc123456" + """